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Open Select Rec

Senior Software Engineer (Full Stack)

Hybrid

London, United kingdom

£ 110,000 /year

Senior

Full Time

05-02-2026

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Skills

Python TypeScript GitHub CI/CD Docker react node.js AWS Analytics Terraform PostGres GitHub Actions

Job Specifications

Senior Software Engineer

Location: Hybrid, London, UK

Salary: Up to £110,000 + Competitive Equity

Industry: AI / Travel / Sustainability

Who You’ll Join:

Join an AI-powered platform serving as mission control for corporate travel, trusted by global enterprises managing over $4B in spend. You’ll help enterprises with $50M–$1B travel budgets cut costs, forecast emissions, model scenarios, and hit net-zero targets. This is a chance to build full-stack features for a Series A company backed by $9.61M from Red Sea Ventures, Vestigo Ventures, XYZ Ventures, Climate Capital, and MCJ Collective, scaling rapidly with enterprise contracts and partnerships like Advito and Reed & Mackay.

What You’ll Do:

Design, build, and deploy end-to-end features across frontend, backend, and infrastructure.
Build robust data pipelines and integrations powering financial and emissions insights.
Collaborate with product, design, and customer teams to solve real business problems.
Own systems from design through deployment, making pragmatic technical decisions.
Help shape engineering culture and best practices as the team scales.

Who You Are:

4+ years full-stack software engineering experience building B2B SaaS products.
Strong React/TypeScript frontend skills and backend experience (Node.js/Python).
Experience with data pipelines, ETL workflows, or analytics systems.
Startup mindset with comfort in ambiguity and end-to-end ownership.
Strong communicator who enjoys cross-functional collaboration and demos.
Nice to have: travel tech, fintech, expense management, or enterprise analytics experience.

Tech Stack:

Frontend: React, TypeScript

Application: Node.js, TypeScript, Python

Data: Postgres, DuckDB, Dagster, dbt

Infrastructure: AWS, Docker, Terraform, GitHub Actions (CI/CD), DataDog

Why You’ll Thrive:

Build for enterprises managing $4B+ in corporate travel spend, driving real cost and emissions savings.
Join a $9.61M-funded Series A company backed by Red Sea Ventures, Vestigo, XYZ Ventures, Climate Capital, and MCJ Collective.
Work in a fast-growth environment, signing bi-weekly enterprise contracts with high-impact ownership.
Hybrid London work with unlimited PTO, education/sustainability budgets, comprehensive insurance, and equity.
Contribute to climate + business impact: automate Scope 3 reporting, forecasting, and collaborative carbon planning.

Please note: visa sponsorship is not currently available for this position.

About the Company

Looking for tech talent that's hard to find? You're in the right place. Open Select specialises in headhunting the best tech talent globally - from Software Engineers to AI experts and everything in between. With over 20 years of experience, and offices in London and Miami, we've helped companies from startups to blue-chip giants build winning teams. No cookie-cutter solutions here - just tailored recruitment built on transparency and long-term relationships. Need off-market talent that doesn't hang out on job boards? We've ... Know more